Section 2(5) in The Maharashtra Regional and Town Planning Act, 1966
(5)"Building operations" include erection or re-erection of a building or any part thereof, roofing or re-roofing of any part of a building or of any open space, any material alteration or enlargement of a building, any such alteration of a building as is likely to affect an alteration of its drainage or sanitary arrangement or materially affect its security or the construction of a door opening on any street or land not belonging to the owner;
